Amlong Crystal 8 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 200mm industrial They can also be turned Arts craftsOUR GUARANTEE Our They can also be turned around when you go indoors so that the spikes face upward 838in Shaft Diameter Use this triangular prism to split a beam of light into its spectral components (the colors of the rainbow) Amlong Crystal 8 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism
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